[PATCH V3 2/9] sunxi: H616: DRAM: Add alternative pin mapping
Chris Morgan
macroalpha82 at gmail.com
Fri Aug 30 17:55:07 CEST 2024
From: Chris Morgan <macromorgan at hotmail.com>
It seems that different dies need different PHY pin mapping. Select
alternatives at compile time.
Signed-off-by: Jernej Skrabec <jernej.skrabec at gmail.com>
[adapted to switch from runtime to compile time config]
Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
---
arch/arm/mach-sunxi/Kconfig | 17 +++++++++++++++++
arch/arm/mach-sunxi/dram_sun50i_h616.c | 22 +++++++++++++++++++++-
2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index 17666814c5..078f8c19fa 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -108,6 +108,23 @@ config DRAM_SUN50I_H616_TPR12
default 0x0
help
TPR12 value from vendor DRAM settings.
+
+choice
+ prompt "H616 PHY pin mapping selection"
+ default DRAM_SUN50I_H616_PHY_ADDR_MAP_0
+
+config DRAM_SUN50I_H616_PHY_ADDR_MAP_0
+ bool "H313/H616/H618"
+ help
+ The pin mapping selection used by the H313, H616, H618, and
+ possibly other dies which use the H616 DRAM controller.
+
+config DRAM_SUN50I_H616_PHY_ADDR_MAP_1
+ bool "H700"
+ help
+ The pin mapping selection used by the H700 and possibly other
+ dies which use the H616 DRAM controller.
+endchoice
endif
config SUN6I_PRCM
diff --git a/arch/arm/mach-sunxi/dram_sun50i_h616.c b/arch/arm/mach-sunxi/dram_sun50i_h616.c
index 5be2887a06..52f7799173 100644
--- a/arch/arm/mach-sunxi/dram_sun50i_h616.c
+++ b/arch/arm/mach-sunxi/dram_sun50i_h616.c
@@ -225,6 +225,26 @@ static void mctl_set_addrmap(const struct dram_config *config)
mctl_ctl->addrmap[8] = 0x3F3F;
}
+#ifdef CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_1
+static const u8 phy_init[] = {
+#ifdef CONFIG_SUNXI_DRAM_H616_DDR3_1333
+ 0x08, 0x02, 0x12, 0x05, 0x15, 0x17, 0x18, 0x0b,
+ 0x14, 0x07, 0x04, 0x13, 0x0c, 0x00, 0x16, 0x1a,
+ 0x0a, 0x11, 0x03, 0x10, 0x0e, 0x01, 0x0d, 0x19,
+ 0x06, 0x09, 0x0f
+#elif defined(CONFIG_SUNXI_DRAM_H616_LPDDR3)
+ 0x18, 0x00, 0x04, 0x09, 0x06, 0x05, 0x02, 0x19,
+ 0x17, 0x03, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x07,
+ 0x08, 0x01, 0x1a
+#elif defined(CONFIG_SUNXI_DRAM_H616_LPDDR4)
+ 0x03, 0x00, 0x17, 0x05, 0x02, 0x19, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x01,
+ 0x18, 0x04, 0x1a
+#endif
+};
+#else /* CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_0 */
static const u8 phy_init[] = {
#ifdef CONFIG_SUNXI_DRAM_H616_DDR3_1333
0x07, 0x0b, 0x02, 0x16, 0x0d, 0x0e, 0x14, 0x19,
@@ -243,7 +263,7 @@ static const u8 phy_init[] = {
0x18, 0x03, 0x1a
#endif
};
-
+#endif /* CONFIG_DRAM_SUN50I_H616_PHY_ADDR_MAP_0 */
#define MASK_BYTE(reg, nr) (((reg) >> ((nr) * 8)) & 0x1f)
static void mctl_phy_configure_odt(const struct dram_para *para)
{
--
2.34.1
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